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Diffstat (limited to 'drivers/scsi/isci/request.h')
-rw-r--r--drivers/scsi/isci/request.h125
1 files changed, 5 insertions, 120 deletions
diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h
index 057f2378452d..aff95317fcf4 100644
--- a/drivers/scsi/isci/request.h
+++ b/drivers/scsi/isci/request.h
@@ -61,30 +61,6 @@
#include "scu_task_context.h"
/**
- * struct isci_request_status - This enum defines the possible states of an I/O
- * request.
- *
- *
- */
-enum isci_request_status {
- unallocated = 0x00,
- allocated = 0x01,
- started = 0x02,
- completed = 0x03,
- aborting = 0x04,
- aborted = 0x05,
- terminating = 0x06,
- dead = 0x07
-};
-
-enum sci_request_protocol {
- SCIC_NO_PROTOCOL,
- SCIC_SMP_PROTOCOL,
- SCIC_SSP_PROTOCOL,
- SCIC_STP_PROTOCOL
-}; /* XXX remove me, use sas_task.{dev|task_proto} instead */;
-
-/**
* isci_stp_request - extra request infrastructure to handle pio/atapi protocol
* @pio_len - number of bytes requested at PIO setup
* @status - pio setup ending status value to tell us if we need
@@ -104,11 +80,14 @@ struct isci_stp_request {
};
struct isci_request {
- enum isci_request_status status;
#define IREQ_COMPLETE_IN_TARGET 0
#define IREQ_TERMINATED 1
#define IREQ_TMF 2
#define IREQ_ACTIVE 3
+ #define IREQ_PENDING_ABORT 4 /* Set == device was not suspended yet */
+ #define IREQ_TC_ABORT_POSTED 5
+ #define IREQ_ABORT_PATH_ACTIVE 6
+ #define IREQ_NO_AUTO_FREE_TAG 7 /* Set when being explicitly managed */
unsigned long flags;
/* XXX kill ttype and ttype_ptr, allocate full sas_task */
union ttype_ptr_union {
@@ -116,11 +95,6 @@ struct isci_request {
struct isci_tmf *tmf_task_ptr; /* When ttype==tmf_task */
} ttype_ptr;
struct isci_host *isci_host;
- /* For use in the requests_to_{complete|abort} lists: */
- struct list_head completed_node;
- /* For use in the reqs_in_process list: */
- struct list_head dev_node;
- spinlock_t state_lock;
dma_addr_t request_daddr;
dma_addr_t zero_scatter_daddr;
unsigned int num_sg_entries;
@@ -140,7 +114,7 @@ struct isci_request {
struct isci_host *owning_controller;
struct isci_remote_device *target_device;
u16 io_tag;
- enum sci_request_protocol protocol;
+ enum sas_protocol protocol;
u32 scu_status; /* hardware result */
u32 sci_status; /* upper layer disposition */
u32 post_context;
@@ -309,92 +283,6 @@ sci_io_request_get_dma_addr(struct isci_request *ireq, void *virt_addr)
return ireq->request_daddr + (requested_addr - base_addr);
}
-/**
- * isci_request_change_state() - This function sets the status of the request
- * object.
- * @request: This parameter points to the isci_request object
- * @status: This Parameter is the new status of the object
- *
- */
-static inline enum isci_request_status
-isci_request_change_state(struct isci_request *isci_request,
- enum isci_request_status status)
-{
- enum isci_request_status old_state;
- unsigned long flags;
-
- dev_dbg(&isci_request->isci_host->pdev->dev,
- "%s: isci_request = %p, state = 0x%x\n",
- __func__,
- isci_request,
- status);
-
- BUG_ON(isci_request == NULL);
-
- spin_lock_irqsave(&isci_request->state_lock, flags);
- old_state = isci_request->status;
- isci_request->status = status;
- spin_unlock_irqrestore(&isci_request->state_lock, flags);
-
- return old_state;
-}
-
-/**
- * isci_request_change_started_to_newstate() - This function sets the status of
- * the request object.
- * @request: This parameter points to the isci_request object
- * @status: This Parameter is the new status of the object
- *
- * state previous to any change.
- */
-static inline enum isci_request_status
-isci_request_change_started_to_newstate(struct isci_request *isci_request,
- struct completion *completion_ptr,
- enum isci_request_status newstate)
-{
- enum isci_request_status old_state;
- unsigned long flags;
-
- spin_lock_irqsave(&isci_request->state_lock, flags);
-
- old_state = isci_request->status;
-
- if (old_state == started || old_state == aborting) {
- BUG_ON(isci_request->io_request_completion != NULL);
-
- isci_request->io_request_completion = completion_ptr;
- isci_request->status = newstate;
- }
-
- spin_unlock_irqrestore(&isci_request->state_lock, flags);
-
- dev_dbg(&isci_request->isci_host->pdev->dev,
- "%s: isci_request = %p, old_state = 0x%x\n",
- __func__,
- isci_request,
- old_state);
-
- return old_state;
-}
-
-/**
- * isci_request_change_started_to_aborted() - This function sets the status of
- * the request object.
- * @request: This parameter points to the isci_request object
- * @completion_ptr: This parameter is saved as the kernel completion structure
- * signalled when the old request completes.
- *
- * state previous to any change.
- */
-static inline enum isci_request_status
-isci_request_change_started_to_aborted(struct isci_request *isci_request,
- struct completion *completion_ptr)
-{
- return isci_request_change_started_to_newstate(isci_request,
- completion_ptr,
- aborted);
-}
-
#define isci_request_access_task(req) ((req)->ttype_ptr.io_task_ptr)
#define isci_request_access_tmf(req) ((req)->ttype_ptr.tmf_task_ptr)
@@ -404,8 +292,6 @@ struct isci_request *isci_tmf_request_from_tag(struct isci_host *ihost,
u16 tag);
int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *idev,
struct sas_task *task, u16 tag);
-void isci_terminate_pending_requests(struct isci_host *ihost,
- struct isci_remote_device *idev);
enum sci_status
sci_task_request_construct(struct isci_host *ihost,
struct isci_remote_device *idev,
@@ -421,5 +307,4 @@ static inline int isci_task_is_ncq_recovery(struct sas_task *task)
task->ata_task.fis.lbal == ATA_LOG_SATA_NCQ);
}
-
#endif /* !defined(_ISCI_REQUEST_H_) */